Log Message:
Changes 10.26.1:
* pamcomp: fix bug that duplicates last row of overlay image.
* pamcut: fix bug that fills the rightmost column with black.
* pnmtopalm: fix bug with -offset option.
* ppmforge: fix bug: crash due to wild pointer with -night.

Changes 10.26:
* pnmhistmap: Add -dots, -nmax, -red, -green, -blue, -lval,
  -rval, -height, and -width options.
* pnmnorm: accept -wpercent and -wvalue (or -bpercent and -bvalue)
  together.  Thanks Gregg Townsend <gmt@CS.Arizona.EDU>.
* xwdtopnm: Add -headerdump option.
* pnmtoxwd: Include 256 color color maps in direct color instead
  of zero.  Zero has a weird effect.
* pamtotga: recognize RGB_ALPHA instead of RGBA.
* palmtopnm: fix bug in determination of compression type.
* palmtopnm: fix bug in handling of multi-image streams.
* pnmtopalm: fix bugs in computation of nextDepthOffset.
* pamtotga: fix TGA pixel size for TGA with alpha.  Don't do
  colormap if input has transparency.
* pamtotga: fix crash due to uninitialized "id" field in TGA header.
* pbm_writepbmrow(): Fix bug in MMX/SSE code that causes segmentation fault.
* pnmhistmap: Fix bug: doesn't work with maxval != 255.
* pbmtext: fix crash with code point > 127.
* ppmtompeg: major cleanup.
* pnmtopng: fix "internal error" and crash bug with -transparent.
* pnmtoxwd: fix endianness on littleendian machines.
* pnmtoxwd: fix bug: doesn't work if you specify an option.
* jpegtopnm: fix bug: -dumpexif all wrong.
* jpegtopnm: fix bug: newline written to stdout instead of stderr with -dumpexif.
* Add missing 'col' declaration so -msse compile works.
* pcdovtoppm: fix syntax error
* pnmtojbig/jbigtopnm: add newline to "usage" message.
* pamperspective: fix bugs with -frame_include, etc.
* build: Jeg2k programs build properly with newer Jasper library.
* build: Fix bug: "no rule to build xxx.so" with external
* Jasper or Jbig library.
* Add NAME and DESCRIPTION section to pointer man pages.